04 bonus

04_b/lst.c

@@ -0,0 +1,56 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   lst.c                                              :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: dgaillet <dgaillet@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/12/15 16:17:12 by dgaillet          #+#    #+#             */
+/*   Updated: 2025/12/15 16:26:55 by dgaillet         ###   ########lyon.fr   */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "aoc04_b.h"
+#include <stdlib.h>
+
+t_co	*new_co(int i, int j)
+{
+	t_co	*co;
+
+	co = malloc(sizeof(t_co));
+	if (!co)
+		return (NULL);
+	co->i = i;
+	co->j = j;
+	co->next = NULL;
+	return (co);
+}
+
+void	co_add_back(t_co **lst, t_co *new)
+{
+	t_co	*temp;
+
+	if (!lst)
+		return ;
+	if (!(*lst))
+		*lst = new;
+	else
+	{
+		temp = *lst;
+		while (temp->next)
+			temp = temp->next;
+		temp->next = new;
+	}
+}
+
+void	clear_lst(t_co *lst)
+{
+	t_co	*temp = lst;
+
+	while (temp)
+	{
+		temp = lst->next;
+		free(lst);
+		lst = temp;
+	}
+}